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Finding the Fourth Proportional to 658,954.76, 909,354.94 and 368,566.72

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Solution

The fourth proportional to 658,954.76, 909,354.94 and 368,566.72 is: 508,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,954.76 : 909,354.94 = 368,566.72 : x
  2. Step 2: Convert to fraction form
    658,954.76/909,354.94 = 368,566.72/x
  3. Step 3: Cross multiply
    658,954.76x = 909,354.94 × 368,566.72
  4. Step 4: Simplify right side
    658,954.76x = 335,157,964,356.79
  5. Step 5: Solve for x
    x = 335,157,964,356.79/658,954.76
  6. Step 6: Final answer
    x = 508,620.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.